Govt Exams Mock Test FREE | Online Quiz Competition

Q1. A network has 7 nodes and 5 independent loops. The number of branches in network is

13

12

11

10

Q2. ABCD parameters of two port networks relate the following:

\(V_1, V_2\:with\:I_1, I_2\)

\(V_1, I_1\:with\:V_2, I_2\)

\(V_2, I_1\:with\:V_1, I_2\)

None of the above

Q3. In the Standard B-H curve X axis and Y axis intercepts respectively represents

residual magnetism and coercive force

Coercive force and residual magnetism

Hysteresis loss and Flux

Flux and MMF

Q4. Determine the effective inductance of the series connected coupled coils as shown in the given figure.

13 H

12 H

6 H

10 H

Q5. An open coil has

zero resistance and inductance

infinite resistance and zero inductance

infinite resistance and normal inductance

zero resistance and high inductance

Q6. A 120 V voltage source has a source resistance, \(R_S\) of 60\(\Omega\). The equivalent current source is

2 A

4 A

200 mA

400 mA

Q7. For the coupled circuit shown in Fig., where \(i_1 = 5 \sin(2t)\) and \(i_2 = 0\), \(v_1(t)\) is given by

\(v_1(t)= - 15 \cos (2t) \:V \)

\(v_1(t)= 7.5 \cos (2t)\: V\)

\(v_1(t)= 15 \cos (2t) \:V \)

\(v_1(t)= -7.5 \cos (2t)\: V\)

Q8. An RLC series circuit consists of \(R=16\:\Omega\),\(L=5\:mH\) and \(C=2\:\mu F\). Calculate the quality factor.

5.125

4.125

3.125

2.125

Q9. The frequency of a sinusoidal signal is 50 Hz. What will be the period of the signal?

20 ms

30 ms

50 ms

10 ms

Q10. A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series aiding.

932 mH

730 mH

1135 mH

1270 mH

Quiz

Year 2024

February
Week # 1 Quiz 2

Q1. A network has 7 nodes and 5 independent loops. The number of branches in network is

Q2. ABCD parameters of two port networks relate the following:

Q3. In the Standard B-H curve X axis and Y axis intercepts respectively represents

Q4. Determine the effective inductance of the series connected coupled coils as shown in the given figure.

Q5. An open coil has

Q6. A 120 V voltage source has a source resistance, \(R_S\) of 60\(\Omega\). The equivalent current source is

Q7. For the coupled circuit shown in Fig., where \(i_1 = 5 \sin(2t)\) and \(i_2 = 0\), \(v_1(t)\) is given by

Q8. An RLC series circuit consists of \(R=16\:\Omega\),\(L=5\:mH\) and \(C=2\:\mu F\). Calculate the quality factor.

Q9. The frequency of a sinusoidal signal is 50 Hz. What will be the period of the signal?

Q10. A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series aiding.

Quiz

Year 2024

July Week # 1 Expire on 31 Jul 2024

July Week # 2 Expire on 07 Aug 2024

July Week # 3 Expire on 14 Aug 2024

July Week # 4 Expire on 21 Aug 2024

February Week # 1 Quiz 2

Q1. A network has 7 nodes and 5 independent loops. The number of branches in network is

Q2. ABCD parameters of two port networks relate the following:

Q3. In the Standard B-H curve X axis and Y axis intercepts respectively represents

Q4. Determine the effective inductance of the series connected coupled coils as shown in the given figure.

Q5. An open coil has

Q6. A 120 V voltage source has a source resistance, \(R_S\) of 60\(\Omega\). The equivalent current source is

Q7. For the coupled circuit shown in Fig., where \(i_1 = 5 \sin(2t)\) and \(i_2 = 0\), \(v_1(t)\) is given by

Q8. An RLC series circuit consists of \(R=16\:\Omega\),\(L=5\:mH\) and \(C=2\:\mu F\). Calculate the quality factor.

Q9. The frequency of a sinusoidal signal is 50 Hz. What will be the period of the signal?

Q10. A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series aiding.

Record & Track Your Performance

February
Week # 1 Quiz 2